Add 84/2 and 2/20
1st number: 42 0/2, 2nd number: 2/20
84/2 + 2/20 is 421/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
84/2 = 84 × 10/2 × 10 = 840/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
2/20 = 2 × 1/20 × 1 = 2/20 - Add the two like fractions:
840/20 + 2/20 = 840 + 2/20 = 842/20 - 842/20 simplified gives 421/10
- So, 84/2 + 2/20 = 421/10
In mixed form: 421/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+4/20 84/4+2/20 84/2+2/40 84/2+6/20 84/6+2/20 84/2+2/60 84/2+10/20 84/10+2/20 84/2+14/20 84/14+2/20